Particle production near marine clouds: Sulfuric acid and predictions from classical binary nucleation

被引:60
作者
Clarke, AD [1 ]
Kapustin, VN
Eisele, FL
Weber, RJ
McMurry, PH
机构
[1] Univ Hawaii, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96822 USA
[2] Natl Ctr Atmospher Res, Boulder, CO 80303 USA
[3] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30322 USA
[4] Univ Minnesota, Particle Technol Lab, Minneapolis, MN 55455 USA
关键词
D O I
10.1029/1999GL900438
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Recent experiments demonstrate that cloud processes in the free troposphere, and at times in the marine boundary layer (MBL), can result in the production of new aerosol particles linked to sulfuric acid production that is photochemically driven. Here we provide observational evidence from the tropics and mid-latitudes indicating that this nucleation is often in accord with predictions of classical binary nucleation theory when it is applied to the high humidity environment near evaporating clouds edges located above the MEL. Coupled with suitable models for the relevant chemical species and conditions, these observations suggest a means for modeling natural particle production in these regions.
引用
收藏
页码:2425 / 2428
页数:4
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